If you're concerned about spies digging up your personal information, we recommend a shredder. That said, obliterating your documents and mail might be a bit much if you don't have much that's actually sensitive. For a lot less money, you can pick up an ID Guard Stamp that'll block out addresses and more with just a push.

The spies in our lives aren't like the ones in movies—they take the form of a suspicious…
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The stamp has a unique pattern that obscures addresses, account numbers, and basically anything else you don't want a dumpster diver to gain access to. The stamp itself is $10, which seems a little high, but it's a lot cheaper than a paper shredder. It'll last for about 1,000 stamps and ink refills cost $4—a reasonable cost to help safeguard your identity.